CWAM Exam 3 with complete test.

CWAM Exam 3 with complete test. What is a major advantage to sexual reproduction? - correct answers.Genetic variation What are the goals of reproductive management in captive facilities? - correct answers.Control genetics, genetic variation, successful reproduction Are there advantages to asexual reproduction? - correct answers.Less costly, less time involved, finding a mate, coordinating a mating event What are challenges to successful reproduction? - correct answers.Gamete creation, delivery, timing (egg and sperm same place same time), offspring development, (high energy cost), the eggs from the females are short lived so the delivery of the sperm to the female is very coordinated and synchronized, repro rates are limited by # of females What is a gamete? - correct answers.A male or female reproductive cell What is an oocyte? - correct answers.An egg What is estrus? - correct answers.Heat What is a sperm cell? - correct answers.A male sex cell Why is seasonal breeding an advantage for some species? - correct answers.Good resources for the offspring and the female What are some potential triggers to seasonality? - correct answers.Rainfall, temp, chemical stimuli in environment, day length What is a zygote? - correct answers.A fertilized egg What is the function of GnRH? - correct answers.Males: signal release of LH and FSH (hypothalamus) Females: signal release of LH and FSH (hypothalamus) What is the function of LH? - correct answers.Males: testosterone production (anterior pit. gland) Females: ovulation (egg releases from follicle) (anterior pit. gland) What is the function of FSH? - correct answers.Males: sperm development (anterior pit. gland) Females: follicle development (anterior pit. gland) What is the function of testosterone? - correct answers.Males: characteristics (testes) Females: libido (ovaries) What is the function of estrogen? - correct answers.Males: supports fertility (testes) Females: helps to bring female into estrus (ovaries) What is the function of progesterone? - correct answers.Females: blocks ovulation and supports pregnancy (CL) What is the function of prostaglandin? - correct answers.Females: reduces the CL to bring the female back into heat (uterus) What is needed for a hormone to act? - correct answers.Receptors in the target tissue, it's important because without them, the hormone can't act What's the difference between a spontaneous and an induced ovulator? - correct answers.Spontaneous: don't need a copulation event or a male to be present Induced: only ovulate if male is present What does polyestrous mean? - correct answers.More than one heat cycle per year What does monestrus mean? - correct answers.One or two heat periods per year What does seasonally polyestrous mean? - correct answers.Long and short day breeders, time constricted heat periods Why are courtship routines important and why did they develop? - correct answers.They know what to do when the offspring arrive, overcome aggression, synchronization of sexual and parental behavior How do social and environmental factors play a role in reproductive success? - correct answers.Environmental: food intake/nutrition, climate, amount and quality of space, human presence, stress Social: not getting attacked or not having a mate to breed to Why is it important to monitor a female's reproductive status? - correct answers.To know the right time to introduce her to another male, when she might be receptive to a male, to know whether or not she's pregnant What are ways to monitor a female's reproductive status?